Home / 1,489,434,491,317.40-2,234,151,762,995-357,509,864,642.85

Finding the Fourth Proportional to 1,489,434,491,317.40, 2,234,151,762,995 and 357,509,864,642.85

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Solution

The fourth proportional to 1,489,434,491,317.40, 2,234,151,762,995 and 357,509,864,642.85 is: 536,264,803,209.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,434,491,317.40 : 2,234,151,762,995 = 357,509,864,642.85 : x
  2. Step 2: Convert to fraction form
    1,489,434,491,317.40/2,234,151,762,995 = 357,509,864,642.85/x
  3. Step 3: Cross multiply
    1,489,434,491,317.40x = 2,234,151,762,995 × 357,509,864,642.85
  4. Step 4: Simplify right side
    1,489,434,491,317.40x = 798,731,294,379,927,081,582,592
  5. Step 5: Solve for x
    x = 798,731,294,379,927,081,582,592/1,489,434,491,317.40
  6. Step 6: Final answer
    x = 536,264,803,209.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.